CO2

The right CO2 solution for every need

The ROXSTA CO2 series offers tried and tested solutions for capacity ranges up to 960 kW in discount stores and supermarket, commercial kitchens, refrigerated warehouses and industrial processes.

ROXSTA – from small to big

  • ROXSTAmicro

    Capacities up to 6.8 kW

    Application

    • Plug & Play MT and LT units and cold rooms

    Capacities

    Air-cooled (t0 MT -7 °C / t0 LT -30 °C / tGC 32 °C)

    • Medium temperature 0.9…6 kW
    • Low temperature 0.5…3.5 kW

    Water-cooled (t0 MT -7 °C / t0 TK -30 °C / tGC 12 °C)

    • Medium temperature 1.1…6.8 kW
    • Low temperature 0.8…3.9 kW

    Details

    • Solution for retrofitting / expansion
    • Air cooled version with gas cooler / heater combination for food retail / commercial kitchens / ice making
    • Water cooled version with plate heat exchanger for combination with water chillers / dry coolers

    Design pressure

    • 90 bar suction line (MT/LT)
    • 90 bar medium pressure
    • 120 bar high pressure
  • ROXSTAair

    Capacities up to 20 kW

    Application

    • Individual cooling points / small stores
    • MT cabinets open: up to 13 m / closed: up to 25 m

    Capacities

    (t0 MT -5 °C / tGC 38 °C)

    • Medium temperature 11…20 kW

    Details

    • Condensing unit for MT applications
    • 1 transcritical compressor with frequency converter
    • Framework in corrosion category C3
    • Intermediate pressure container (20 L)
    • Control panel with electronic control
    • Flash gas heat exchanger
    • Installation variants:
      – Indoor installation with 2 EC radial fans
      – Outdoor installation with 2 EC axial fans

    Design pressure

    • 45/80 bar suction line
    • 45/80 bar medium pressure
    • 120 bar high pressure
  • ROXSTAcube mini

    Capacities up to 65 kW

    Application

    • Discounters /organic shops /retail up to 1,000 m²
    • MT cabinets open: up to 25 m / closed: up to 50 m
    • 1-2 LT cold rooms

    Capacities

    (t0 MT -5 °C / t0 LT -30 °C / tGC 38 °C)

    • Medium temperature 19…65 kW
    • Low temperature 0…9 kW

    Details

    • Trans- & subcritical application
    • 2 MT / 0-1 LT incl. frequency converter per lead compressor
    • Indoor & outdoor installation
    • Noise reduction 10 / 15 dBA
    • Heat recovery integrated or stand-alone
    • Receiver volume 80 L

    Design pressure

    • 30 bar suction line (LT)
    • 45 bar suction line (MT)
    • 45/60 bar medium pressure
    • 120 bar high pressure
  • ROXSTAcube

    Capacities up to 100 kW

    Application

    • Discounters / supermarkets up to 1,200 m²
    • MT cabinets open: up to 60 m / closed: up to 120 m
    • LT shelf / island up to 10 m & 1-2 LT cold rooms

    Capacities

    (t0 MT -5 °C / t0 LT -30 °C / tGC 38 °C)

    • Medium temperature 28…100 kW
    • Low temperature 0…14 kW

    Details

    • Trans- & subcritical application
    • 3 MT / 0-2 LT incl. frequency converter per lead compressor
    • Seperable framing
    • Indoor & outdoor installation
    • Noise reduction 10 / 15 dBA
    • Heat recovery with bypass
    • Receiver volume 80 / 100 L

    Design pressure

    • 30 bar suction line (LT)
    • 45 bar suction line (MT)
    • 45/60 bar medium pressure
    • 120 bar high pressure
  • ROXSTAsmart

    Capacities up to 150 kW

    Application

    • Supermarkets up to 2,500 m²
    • MT cabinets open: up to 75 m / closed: up to 150 m
    • LT shelf / island up to 25 m & LT cold rooms

    Capacities

    (t0 MT -5 °C / t0 LT -30 °C / tGC 38 °C)

    • Medium temperature 28…150 kW
    • Low temperature 0…43 kW

    Details

    • Trans- & subcritical application
    • 3-4 MT / 0-3 LT incl. frequency converter per lead compressor
    • Flash gas / suction gas heat exchanger (MT/LT)
    • Active oil management
    • Housing for indoor & outdoor installation
    • Heat recovery with bypass
    • Mounted water heat pump
    • Receiver volume 165 / 2×165 L

    Design pressure

    • 30 bar suction line (LT)
    • 45 bar suction line (MT)
    • 45/60 bar medium pressure
    • 120 bar high pressure
  • ROXSTA 2.0

    Capacities up to 320 kW

    Application

    • Supermarkets up to 5,000 m²
    • MT cabinets open: up to 200 m / closed: up to 400 m
    • LT shelf / island up to 100 m & LT cold rooms

    Capacities

    (t0 MT -5 °C / t0 LT -30 °C / tGC 38 °C)

    • Medium temperature 36…320 kW
    • Low temperature 0…240 kW

    Details

    • Trans- & subcritical application
    • 3-6 MT / 0-5 LT incl. frequency converter per lead compressor & pressure level
    • Seperable intermediate pressure station
    • Heat recovery / heat pump & AC function
    • ECO compressor / TEKO patent EVALIFT
    • Receiver volume 250 / 420 L
    • Housing for indoor installation
    • Outdoor installation as container solution

    Design pressure

    • 30/60 bar suction line (LT)
    • 45/60 bar suction line (MT)
    • 45/60/80 bar medium pressure
    • 120 bar high pressure
  • ROXSTA G6

    Capacities up to 640 kW

    Application

    • Hypermarkets / Cash&Carry up to 10,000 m²
    • MT cabinets open: up to 300 m / closed: up to 600 m
    • LT shelf / island up to 150 m & LT cold rooms

    Capacities

    (t0 MT -5 °C / t0 LT -30 °C / tGC 38 °C)

    • Medium temperature 207…640 kW
    • Low temperature 0…590 kW

    Details

    • Trans- & subcritical application
    • 3-7 MT / 0-6 LT incl. frequency converter per lead compressor & pressure level
    • 6 cylinder compressor
    • Heat recovery
    • ECO compressor / TEKO patent EVALIFT / TEKOJET
    • Receiver volume 250 / (2x) 420 L
    • Housing for indoor installation
    • Outdoor installation as container solution

    Design pressure

    • 30/60 bar suction line (LT)
    • 45/60 bar suction line (MT)
    • 45/60 bar medium pressure
    • 120 bar high pressure
  • ROXSTAindustrial

    Capacities up to 960 kW

    Application

    • Industry, food production and logistics
    • MT or MT and LT with heat recovery system / heat pump / climate control function

    Capacities

    (t0 MT -5 °C / t0 LT -30 °C / tGC 38 °C)

    • Medium temperature 390…960 kW
    • Low temperature 0…590 kW

    Details

    • Trans- & subcritical application
    • 4-10 MT / 0-6 LT incl. frequency converter per lead compressor & pressure level
    • Compressors connected as a booster
    • ECO compressor / TEKO patent EVALIFT / TEKOJET
    • Receiver volume 250 / (2x) 420 L
    • Outdoor installation as container solution

    Design pressure

    • 30/60 bar suction line (LT)
    • 45/60 bar suction line (MT)
    • 45/60/80 bar medium pressure
    • 120 bar high pressure

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